... : TP 304/304L, 316/316L, 316Ti, 321/321H, 309S, 310S, 347/347H,31803Outside diameter range from 3 mm to 219mm.Wall ... (Mpa)DP maxP=220.6t/DDP maxASTM A530/A530MD≤270MM P=2Rt/DR=50%σ0.2<25.47≤88.91725.4 ... -Destructive TestASTM E213 E309 E426ASTM E213 E309 E426HardnessHRB<90HRB<90 347 stainless steel pipe(tube factory)